According to Counterpoint Research, the smartphone industry in the United States was relatively indifferent in terms of growth for the last quarter of 2021 (4Q2021). Nevertheless, the country's market did see some interesting and possibly unexpected shake-ups, such as the rise of OnePlus' sales over that of Google. Motorola also posted its best quarter on record, with 1 of the best-selling phones over the 3 months.
https://www.notebookcheck.net/OnePlus-surpasses-Google-in-the-US-smartphone-market-for-the-last-quarter-of-2021.596506.0.html